Opel ASTRA 2014 Owner's Manual page 247

2. Remove cover on the respective
side.
3. Unscrew two plastic securing nuts
from the inside by hand.
4. Carefully withdraw tail light
assembly from recesses and
remove. Make sure that the cable
duct remains in position.
5. Detach wiring plug from bulb
carrier.
6. Remove the bulb holder by
turning anticlockwise and replace
the bulb by withdrawing or
pushing the bulb slightly into the
socket and rotating anticlockwise:
Tail lights (1 + 2)
Turn signal light (3)
Brake light (4)
Vehicle care
7. Connect the wiring plug and press
the cable into the retainer. Fit light
assembly with the retaining pins
into the recesses of the car body
and tighten the securing nuts from
the inside of the load
compartment. Attach cover.
When assembling press the blind
on the left-hand side into the
rubber grommets to reach full
retention force.
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